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JPL Small-Body Database Browser
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305967 (2009 HR60)
Classification: Main-belt Asteroid          SPK-ID: 2305967
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1023254974009067 1.1194e-07  
a 2.705272620841664 2.89e-08 au
q 2.428454254308986 2.9259e-07 au
i 5.529469819055888 9.4139e-06 deg
node 29.21508076863592 8.7057e-05 deg
peri 168.0103565107328 9.5119e-05 deg
M 93.75766231308017 3.8901e-05 deg
tp 2458177.228280654682
(2018-Feb-27.72828065)
0.00017393 TDB
period 1625.2305700145
4.45
2.6043e-05
7.13e-08
d
yr
n .221507032074094 3.5495e-09 deg/d
Q 2.982090987374341 3.1857e-08 au
  Orbit Determination Parameters
   # obs. used (total)      123  
   data-arc span      7105 days (19.45 yr)  
   first obs. used      2000-03-11  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66886  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:55:11  

Additional Information
 Earth MOID = 1.42701 au 
 Jupiter MOID = 1.9742 au 
 T_jup = 3.351 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.8   n/a MPO450229  

305967 (2009 HR60)          Discovered 2009-Apr-19 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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